preferred Sync rates in X for PDQ/Wallstreet 2.0

preferred Sync rates in X for PDQ/Wallstreet 2.0

[Joseph Palani Garcia]

Does anyone know the preferred HorzSync and VertRefresh rates for the LCD
display on a PBG3/300?

Xconfigutator either has outrageous rates or there just aren't vid modes
that do it.  I know LCD's don't really have a sync rate, but I'd like to
think it is compatible with something better than the 60/31.5-48.5 that I
am stuck using from the generic LCD settings.  Or does it matter?  i
have noticed that some GTK apps (e-conf and gterm) take a bit to draw
themselfs before they open.  related issue?  (a vid mode at a higher rate 
i had "working" was weird in that about half the screen was offset half a
pixel so it looked like antialiased interlacing. best description i can
think of :)

Thanks.

--

Joseph Garcia
Madison, WI
jpgarcia@execpc.com


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Re: preferred Sync rates in X for PDQ/Wallstreet 2.0

[Josh Huber]

Joseph Palani Garcia writes:
> 
> Does anyone know the preferred HorzSync and VertRefresh rates for the LCD
> display on a PBG3/300?
> 
> Xconfigutator either has outrageous rates or there just aren't vid modes
> that do it.  I know LCD's don't really have a sync rate, but I'd like to
> think it is compatible with something better than the 60/31.5-48.5 that I
> am stuck using from the generic LCD settings.  Or does it matter?  i
> have noticed that some GTK apps (e-conf and gterm) take a bit to draw
> themselfs before they open.  related issue?  (a vid mode at a higher rate 
> i had "working" was weird in that about half the screen was offset half a
> pixel so it looked like antialiased interlacing. best description i can
> think of :)
I suggest inserting the output of fbset -x into your XF86Config file.  This has sane values, and works (on my PB233 14.1") nicely.

Josh

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Re: preferred Sync rates in X for PDQ/Wallstreet 2.0

[laures]

On 22 Jui, Joseph Palani Garcia wrote:
> 
> Does anyone know the preferred HorzSync and VertRefresh rates for the LCD
> display on a PBG3/300?

>From my /etc/X11/XF86Config file:

# **********************************************************************
# Monitor section
# **********************************************************************

# Any number of monitor sections may be present

Section "Monitor"

    Identifier	"WallStreet built-in LCD Panel"
    VendorName	"Apple"
    ModelName	"14,1 TFT"

    HorizSync   48.115

    VertRefresh 59.696

    Mode "1024x768"
        DotClock	64.666
        HTimings	1024 1032 1176 1344
        VTimings	768 771 777 806
    EndMode

EndSection

...

works like a charm on my PBG3 292, I took these values from fbset.

french version: 
voici les valeurs a inserer dans le fichier /etc/X11/XF86Config pour un
fonctionnement optimal de l'ecran LCD 14,1 ' des PB G3 Series. Elles on
ete obtenues a partir du programme fbset

-- 
Guillaume Laurès - student @ ESIEA (www.esiea.fr)


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